EP4510464A4 - Procédé et dispositif de transmission/réception de signal dans un système de communication sans fil - Google Patents

Procédé et dispositif de transmission/réception de signal dans un système de communication sans fil

Info

Publication number
EP4510464A4
EP4510464A4 EP23788518.1A EP23788518A EP4510464A4 EP 4510464 A4 EP4510464 A4 EP 4510464A4 EP 23788518 A EP23788518 A EP 23788518A EP 4510464 A4 EP4510464 A4 EP 4510464A4
Authority
EP
European Patent Office
Prior art keywords
sending
receiving
signal
wireless communication
communication system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP23788518.1A
Other languages
German (de)
English (en)
Other versions
EP4510464A1 (fr
Inventor
Haewook Park
Hyungtae Kim
Kyuseok Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP4510464A1 publication Critical patent/EP4510464A1/fr
Publication of EP4510464A4 publication Critical patent/EP4510464A4/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
EP23788518.1A 2022-04-12 2023-04-04 Procédé et dispositif de transmission/réception de signal dans un système de communication sans fil Pending EP4510464A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20220045083 2022-04-12
KR20220124708 2022-09-29
PCT/KR2023/004497 WO2023200166A1 (fr) 2022-04-12 2023-04-04 Procédé et dispositif de transmission/réception de signal dans un système de communication sans fil

Publications (2)

Publication Number Publication Date
EP4510464A1 EP4510464A1 (fr) 2025-02-19
EP4510464A4 true EP4510464A4 (fr) 2026-03-18

Family

ID=88329903

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23788518.1A Pending EP4510464A4 (fr) 2022-04-12 2023-04-04 Procédé et dispositif de transmission/réception de signal dans un système de communication sans fil

Country Status (5)

Country Link
US (1) US20250219694A1 (fr)
EP (1) EP4510464A4 (fr)
JP (1) JP2025512262A (fr)
KR (1) KR20250002108A (fr)
WO (1) WO2023200166A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117882328A (zh) * 2022-08-10 2024-04-12 中兴通讯股份有限公司 信道状态信息报告增强
EP4595239A1 (fr) * 2022-09-30 2025-08-06 Telefonaktiebolaget LM Ericsson (publ) Rapport de table de bits à coefficient non nul pour transmission conjointe cohérente avec livre de codes
US20240284220A1 (en) * 2023-01-20 2024-08-22 Samsung Electronics Co., Ltd. Csi reporting for multi-trp coherent joint-transmission
WO2026023462A1 (fr) * 2024-07-26 2026-01-29 ソニーグループ株式会社 Dispositif de transmission, dispositif de réception, et procédé de communication

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021155585A1 (fr) * 2020-02-07 2021-08-12 Qualcomm Incorporated Mesure d'interférence dynamique pour csi à multiples trp
WO2021254954A1 (fr) * 2020-06-15 2021-12-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Procédés et appareils de rapport de csi amélioré concernant de multiples ressources de liaison descendante
WO2022051941A1 (fr) * 2020-09-09 2022-03-17 Qualcomm Incorporated Améliorations de livre de codes de sélection de port pour réciprocité de densité de domaine spatial et de fréquence

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11601169B2 (en) * 2019-09-09 2023-03-07 Samsung Electronics Co., Ltd. Method and apparatus for port selection in wireless communication systems
WO2021068149A1 (fr) * 2019-10-10 2021-04-15 Qualcomm Incorporated Sélection de port permettant la rétroaction d'état de canal à action directe secondaire analogique
BR112023000948A2 (pt) * 2020-07-21 2023-02-07 Lenovo Singapore Pte Ltd Relatório de informação de estado de canal para múltiplos pontos de transmissão/recebimento

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021155585A1 (fr) * 2020-02-07 2021-08-12 Qualcomm Incorporated Mesure d'interférence dynamique pour csi à multiples trp
WO2021254954A1 (fr) * 2020-06-15 2021-12-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Procédés et appareils de rapport de csi amélioré concernant de multiples ressources de liaison descendante
WO2022051941A1 (fr) * 2020-09-09 2022-03-17 Qualcomm Incorporated Améliorations de livre de codes de sélection de port pour réciprocité de densité de domaine spatial et de fréquence

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023200166A1 *

Also Published As

Publication number Publication date
US20250219694A1 (en) 2025-07-03
WO2023200166A1 (fr) 2023-10-19
KR20250002108A (ko) 2025-01-07
EP4510464A1 (fr) 2025-02-19
JP2025512262A (ja) 2025-04-17

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